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INSTALLATION 1. Refer to your model motorcycle’s Service Manual and remove the seat. To prevent accidental vehicle start-up, which could cause death or serious injury, disconnect negative (-) battery cable before proceeding. (00048a) Disconnect negative (-) battery cable first. If positive (+) cable should contact ground with negative (-) cable connected, the resulting sparks can cause a battery explosion, which could result in death or serious injury. (00049a) 2. Disconnect the battery cables, negative (-) cable first. 3. See Figure 1. Remove stock horn bracket nut (2) and the entire stock horn cover assembly. Remove the horn wires, horn and all hardware components from the stock cover including wire clamp, clips and mounting bracket. Note assembly order for reinstallation. 4. Position the horn (3) inside the new cover. Apply 1-2 drops of Loctite 271 (red) (Harley-Davidson Part Number 99671- 97) onto threads of nut (4). Install nut onto horn mounting stud (6) and tighten to 90-100 in-lbs (10-11 Nm). NOTE Do not over-tighten “horn to horn cover” nut . tighten to 90-100 in-lbs (10-11 Nm). Use in-lbs torque wrench. Over-tightening may result in permanent damage to the horn. 5. Route wiring harness through the clamp, (if present) and install the entire assembly to the horn assembly mounting stud (5). 6. Connect wires to terminals and reconnect battery. After installing seat, pull upward on seat to be sure it is locked in position. While riding, a loose seat can shift causing loss of control, which could result in death or serious injury. (00070b) NOTE The horn is not polarity sensitive. The ground and power wires are interchangeable on the horn terminals

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1. Remove the seat and left hand side cover. (held in place by two (2) 10mm bolts) Remove the chrome cover from the stock horn located below the headlights. (held in place by two (2) 5mm allen screws at the top of the cover) 2. Unplug the wires from the stock horn. Locate the supplied jacketed cord and attach the end with the piggyback jumpers to the horn wires. Plug these back onto the horn terminals as shown in photo (1). Remove the black plastic left side steering head frame cover (held in place with two (2) 5mm allen screws). Route the cord behind the headlights, along the left side of the frame and over the engine keeping it neatly out of sight. Route the end if the cord to where the relay will mount as shown in photo (2A). Replace chrome horn cover and steering head frame cover. 3. Using the relay supplied, refer to the wiring diagram included with the horn set and the small numbers next to the terminals on the relay. Connect the 2 wires from the jacketed cord to terminals #85 & #86. Connect the blade terminal of the fuse wire assembly (supplied) to terminal #30 on the relay. Attach the other end of the fuse holder to the positive (+) battery terminal. 4. On the horns bend the wire terminals outward so that they will be parallel to the mounting brackets when installed. Refer to photo (3) and assemble the horns onto their supplied mounting brackets as shown. Bolt two (2) of the four (4) flat silver brackets on each of the horns using the 6mm nuts and lock washers supplied. Bolt the black bracket to the left hand horn using the 6x12mm bolt and nyloc nut supplied. Place the 6 x 35mm bolt with a washer and lock washer thru the right hand horn bracket then the left hand black bracket and place the 3/8″ flange nut over the back of the bolt. Remove the bolt where the horns will mount (see photo 2B) and bolt the horn set on as assembled with the flange nut on the back side of the black bracket. Align the horns as shown in photo (2) being careful that the horns do not make contact with each other or any other parts as this will significantly reduce their output then tighten the bolt securely.

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1. Remove the false fuel tank cover to expose the battery. Remove the right hand lower leg fairing. (4 phillips screws). Unplug the stock horn and remove the (2) 10mm bolts securing it to the frame. 2. See photo #1 using the stock horn bolts attach the black horn mounting bracket and the white ground wire supplied as shown. Next locate the relay supplied. Plug the stock horn wires into the relay terminals #85 & #86. (see wiring diagram on back side of instructions) 3. Attach the air hose to the compressor air outlet fitting. Attach the short red wire supplied to the compressors positive (+) terminal and the white wire installed earlier to the compressors ground (-) terminal. As shown in photo #2. Attach the compressor to the frame with the hose clamp provided. Note: position the top of the compressor as shown touching the bottom of the horn mounting bracket and approximately 1 Ω” to the rear of radiator and shroud. Also the air hose and fitting should be in front of the frame tube with the hose routed inside the hose clamp without pinching the hose. Attach the red wire from the compressor to one of the relays remaining outer terminals #30 or #87. Attach the remaining long red wire (supplied) to the remaining relay terminal #30 or #87. Secure the relay to the frame with a cable tie supplied. Route the red wire up to the battery positive (+) terminal. Locate the fuse wire assembly provided. Attach the fork end of the fuse wire to the battery positive (+) terminal. Cut the red wire to the desired length, strip the end and crimp to the fuse assembly. Turn on the ignition and press the horn button, you should hear the compressor motor run. Re-install the false fuel tank lid. Re-install the right lower leg fairing while routing the air hose out next to the black horn mounting bracket 4. See photo #3, Bolt the horn set to the black mounting bracket using the 5/16 x æ”bolt, washer and lock washer provided. Trim the air hose to length if necessary and attach the air hose to the horn assembly. Install the trumpet covers. (see instructions enclosed with covers) Turn on the ignition and test the horns

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1. Remove the left and right plastic side covers and the seat (two allen bolts located below the sides of the seat). Unplug and remove the stock horn (located over the oil cooler). Connect the female ends of the jacketed two wire cable supplied to the original horn wires. Route the other end of the cable up over the engine and back to where the relay will mount as shown in photo (1). 2. Using the relay supplied with this kit and the wiring diagram provided with the horn set, identify the terminals of the relay (there are very small numbers next to each of the terminal). Connect the two (2) wires from the cable to terminals #85 & 86 on the relay. Locate the fuse holder wire assembly supplied and connect the blade terminal to the relay terminal #87 or #30. Connect the other end of the fuse wire to the battery positive terminal (+). 3. Working under the left side of the motorcycle, refer to photo (2) and install the black bracket supplied as shown onto the engine mount. Locate the four thin flat brackets and two (2) 6mm nuts supplied with the horn set and two lock washers supplied with the kit. Bolt two (2) of the brackets to each of the horns using a lock washer and 6mm nut on each and make them snug. Using the remaining 6 x 12mm bolt, nut and lock washer install the horns onto the black bracket and align as shown in photo (3). Adjust the horn location so that they are free to vibrate and do not come in contact with other parts of the motorcycle then tighten all three 6mmm bolts securely. 4. Using the two remaining wire assembles supplied, connect the larger terminals with double wires to one of the horns and the terminals with the single wire to the other horn. Route these wires up thru the frame to the relay. Connect the wire with the female blade connector to the relay terminal #30 or #87. Connect the ring terminal to the battery negative (-) terminal
or any 6m bolt on the frame. Turn on the ignition and test the horns. Secure the relay to the frame or other wiring and all loose wires using the cable ties supplied. Replace the seat and side covers

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this module will pulse any horn, headlight or tail light at the rate of 7 times per second. 1. Find a suitable mounting location. Clean the mounting surface thoroughly using rubbing alcohol, peel the adhesive backing and press the module firmly in place. 2. Connect the black wire to the frame or other suitable ground. (NOTE: Failure to achieve a good ground will ruin the module Immediately and void the warranty!) 3. At any point that is convenient cut or disconnect the power wire to the light or horn(s). Connect the green wire to the wire going to the light, horn(s) or wire going to it. 4. Connect the red wire to the power wire coming from the motorcycle. 5. To bypass or turn the modulator off (in some states it is not legal to use a headlight modulator at night or at all, check your state laws) install an on/off switch between the red and green wires. When the switch is in the on position the electricity to the light or horn(s) will bypass the module and the light or horn(s) will not pulse.

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1. Remove the rider and passenger seats, left chrome side cover & original horn located at the top of the radiator. 2. Locate the supplied black horn mounting bracket and supplied smaller hose clamp. Notice the slight twist in the bracket. Using 2 adjustable wrenches or a vise and one wrench remove the twist from the bracket. Route the hose clamp thru the bracket. (As shown in photo 1A) 3. Install the bracket on to the left frame tube, (As shown in photo 1A) and tighten securely. Bolt the supplied horns to the bracket using the supplied bolt, lock washer and nut, (As shown in photo 1) and tighten securely. Install the supplied trumpet covers (As shown in photo 1B) by flexing the spring clips over the trumpets. Check that they fit securely. If not remove covers, make sure the center screw is tight and bend spring clips in towards center of covers and re-install. Using a blade screwdriver pry the two supplied hoses with the “Y” connector off of the air horns cut a new piece of hose 3 ½” long from the hose and replace the short hose on the “Y”. Re-install the “Y” hose assembly with the short hose going on the long or upper trumpet. (See photo 1C) Re-route the original horn wires. (As shown in photo 1D) 4. From the supplied wire cut 2 pieces 28″ long. Strip ¼” of insulation from both ends. Crimp 2 supplied male terminals to one end and 2 supplied female spade terminals to the other end. Plug the male ends into the original horns wires. (As shown in 1D) Attach the remaining air hose to the “Y”. Tape the hose and wires together every 6-8″ using electrical tape to make routing easier and neater. Route the wires and hose up under the fuel tank, over the cylinder heads coming out between the frame rails at the rear of the fuel tank. (See photo 2A) Locate the supplied relay and plug the 2 wires from the original horn onto terminals 85 & 86 on the relay. (See wiring diagram on back of last page of instructions) This will be the 2 outer terminals that are parallel to each other. Locate the supplied fuse, holder & wire assembly. Crimp a supplied fork terminal to one end and a supplied female spade to the other. Attach the spade terminal to one of the remaining outer relay terminals. (#30 or 87 on wiring diagram) Remove the 3 Phillips screws from the battery top cover. Remove the cover and attach the fork end of the fuse wire to the positive (+) terminal. Re-install the battery cover. 5. Cut a wire 9″ long and strip ¼” insulation from each end, crimp a fork to one end and a female spade to the other. Attach this wire to the compressors negative (-) terminal. Cut another wire 18″ long and strip both ends. Crimp a female spade to both ends. Attach this wire to the compressor positive (+) terminal. Route the air hose out under the left side cover as shown in photo (3). Hold the compressor in place against the frame tube. Note: Looking at the large end of the compressor the space between the hose fitting and the bolt mounting flange forms a “V” shape. This is where the compressor should rest against the frame. Next loop the hose around to the compressor hose fitting and trim the hose to the desired length. Attach the hose to the compressor. Secure the compressor to the frame using 2 large supplied cable ties as shown. 6. (See photo 3A) Attach the compressor negative (-) wire to the bolt on the frame (As shown in photo 3B) Route the compressor positive (+) wire along the side up to the relay and attach to the remaining outer terminal 87 or 30. Cable tie the relay in place. (As shown in photo 2B) Use several of the supplied short cable ties to secure the compressor wires to the air hose (As shown in photo 3) as wells as any other loose wire or hose.

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1. Place the motorcycle on the centerstand. 2. Remove the left side cover (painted) to expose the battery. Remove the left plastic engine cover (chrome) . Remove the lower center fairing cowl or spoiler; there are 2 pull pin rivets and 6 allen screws holding this panel in place. Drop the panel down and slide it out to the right or left. 3. Horns and Mounting Bracket: Attach the large “L” shaped bracket with the split clamp to the engine guards as shown in photo #1. NOTE: Make the screws snug only! Install the horn set onto the “L” bracket using the 2 allen screws provided, tighten securely. Align the horn set to be level and to have clearance between the fairing as shown in photo #2, tighten securely. 4. Compressor: Remove the stock left hand horn and loosely re-install the 12mm mounting bolt (see photo #4A). Next as shown in photo # 3, to the compressor attach the air hose, the short red wire to the (+) positive terminal and the white wire to the (-) negative. The mounting bracket should be bolted to the compressor as shown. Install the compressor assembly as shown in photo #4 onto the 12mm bolt and tighten securely. Note! It you may need to adjust the angle or bend of the bracket for a good fit. Try to maintain at least a one-inch clearance between the exhaust header pipe and the compressor, wires and air hose. 5. Relay and Wiring: Attach the red wire from the compressor to the relay terminal 30 (see wiring diagram). Attach the long red wire to the relay terminal 87. Attach the stock horn wires to the remaining terminals 85 & 86 it does not matter which wire goes to which of these two terminals. Attach the white ground (-) wire from the compressor to the lower cowl-mounting bolt as shown in photo # 4B. Cable tie the relay in place as shown in photo #4C. Route the long red wire up and back over the left side of the engine to the battery, This is easiest done using a stiff piece of wire (a coat hanger works good) with a small loop bent at one end. Push the wire from rear of the engine towards the front. Attach the red wire with electrical tape and pull the wire back towards the rear of the engine. Route the wire back to the battery (+) positive terminal, cut the wire to the desired length, strip back insulation 3/8″ crimp on the fuse holder provided and attach to the battery (+). Replace the side covers Route the air hose as shown in photo #5 so as not to kink it or be less than 1″ from the exhaust, then over the front of the engine, up and out to the horns just behind the engine guards, trim to the desired length and attach to the “Y” fitting. Using a lighter or match, heat seal or melt the end of the hoses braided cover to prevent it from fraying. Turn on the ignition and test the horns